2121211200122 has 8 divisors (see below), whose sum is σ = 3636362057376. Its totient is φ = 909090514332.

The previous prime is 2121211200083. The next prime is 2121211200133. The reversal of 2121211200122 is 2210021121212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2121211200122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75757542848 + ... + 75757542875.

It is an arithmetic number, because the mean of its divisors is an integer number (454545257172).

Almost surely, 2^{2121211200122} is an apocalyptic number.

2121211200122 is a deficient number, since it is larger than the sum of its proper divisors (1515150857254).

2121211200122 is a wasteful number, since it uses less digits than its factorization.

2121211200122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151515085732.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2121211200122 its reverse (2210021121212), we get a palindrome (4331232321334).

The spelling of 2121211200122 in words is "two trillion, one hundred twenty-one billion, two hundred eleven million, two hundred thousand, one hundred twenty-two".